Compare software

mtPaint vs GrafX2: catalog facts
mtPaint	GrafX2
Free Free and open source under the GPL-3.0.	Free Free and open source under the GPL-2.0 and CECILL-2.0 licences.
Windows, Linux	Linux
Edits indexed palette and 24-bit RGB images Layers, channels and animation support	Built specifically for 256-color indexed images Suited to pixel art and palette-based drawing
Basic tools compared with full photo editors No release binaries published on the GitHub repository	Not meant for full-color photo editing The official website offers very little information
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.